26.2 Flashcards
define rock
is a naturally formed mixture containing minerals, rock fragments, and volcanic glass
how are rocks identified
by their composition and texture
what does the texture of a rock describe about a rock
describes the size, shape, and the arrangements of the rocks components
where do intrusive rocks form
within the crust
what type of molten rock does intrusive igneous rocks form
magma
what is the name of the series that illustrates simultaneous crystallization of silicate minerals
bowan reaction series
what are the 3 types of magma
Mafic, intermediate and felsic
which magma type has a low silica content
Mafic
which magma type has a high silica content
felsic
which type of crust has an abundant amount of quartz ( oceanic or continental)
continental
which type of crust has little to no quartz ( oceanic or quarts)
Oceanic or deeep locations in continental
what type of igneous rock has a coarse grained texture
intrusive igneous rock
what type of igneous rock has a fine grained texture
exstrusive
do fine grained rocks cool slowly or quickly
quickly
what are the two specific texture types for extrusive igneous rock
vesicular and porphyritic